| 1901 | ROSIER BARRIE DEAN 1 | Montgomery County, TX | Oil & Gas Property | Aug 2025 |
| 1902 | ROSINE | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 1903 | ROSITA CREEK | Jim Wells County, TX | Oil & Gas Property | Feb 2026 |
| 1904 | ROSKYDAL DONALD | Guadalupe County, TX | Oil & Gas Property | Feb 2026 |
| 1905 | ROSS | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 1906 | ROSS | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 1907 | ROSS | Clay County, TX | Oil & Gas Property | Feb 2026 |
| 1908 | ROSS | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 1909 | ROSS | Guadalupe County, TX | Oil & Gas Property | Feb 2026 |
| 1910 | ROSS | King County, TX | Oil & Gas Property | Jan 2026 |
| 1911 | ROSS | Johnson County, TX | Gas Property | Feb 2026 |
| 1912 | ROSS | Panola County, TX | Oil & Gas Property | Apr 2020 |
| 1913 | ROSS | Hockley County, TX | Oil & Gas Property | Feb 2026 |
| 1914 | ROSS | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 1915 | ROSS | Callahan County, TX | Oil & Gas Property | Feb 2025 |
| 1916 | ROSS | Jackson County, TX | Oil & Gas Property | Jun 2024 |
| 1917 | ROSS 48-1 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 1918 | ROSS 55-2-46 | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 1919 | ROSS C. P | Caldwell County, TX | Oil & Gas Property | Sep 2024 |
| 1920 | ROSS COTTON FARMS 120 | Terry County, TX | Oil & Gas Property | Feb 2026 |
| 1921 | ROSS D. GU | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 1922 | ROSS GAS UNIT | Jackson County, TX | Oil & Gas Property | Feb 2026 |
| 1923 | ROSS HANNA | Jackson County, TX | Oil & Gas Property | Feb 2026 |
| 1924 | ROSS HETTIE M | Panola County, TX | Oil & Gas Property | Mar 2025 |
| 1925 | ROSS J.T. CV GAS UNIT | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 1926 | ROSS JOHN GU 1 | Nacogdoches County, TX | Oil & Gas Property | Feb 2026 |
| 1927 | ROSS L.S | Eastland County, TX | Oil & Gas Property | Nov 2012 |
| 1928 | ROSS LUTHER GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 1929 | ROSS MARY | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 1930 | ROSS R.L | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 1931 | ROSS RALPH | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 1932 | ROSS TUCKER GU | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 1933 | ROSS VERA GAS UNIT 1 | Upshur County, TX | Oil & Gas Property | Feb 2026 |
| 1934 | ROSS, ESSIE | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 1935 | ROSS, J.T | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 1936 | ROSS-HAMILTON | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 1937 | ROSSER | Young County, TX | Oil & Gas Property | Feb 2026 |
| 1938 | ROSSER | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 1939 | ROSSON C | Anderson County, TX | Oil Property | Feb 2026 |
| 1940 | ROSSON J. R | San Patricio County, TX | Oil & Gas Property | Jun 2023 |
| 1941 | ROSSON M. D | Cooke County, TX | Oil & Gas Property | Feb 2026 |
| 1942 | ROSSON-HENDERSON | Denton County, TX | Oil & Gas Property | Feb 2026 |
| 1943 | ROSSON-WARD LAND CO | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 1944 | ROSSOW-BRZOZOWSKI | Gonzales County, TX | Oil & Gas Property | Feb 2026 |
| 1945 | ROTELLO | Brazos County, TX | Oil & Gas Property | Feb 2026 |
| 1946 | ROTEN | Johnson County, TX | Gas Property | Feb 2026 |
| 1947 | ROTH | Montague County, TX | Oil & Gas Property | Mar 2024 |
| 1948 | ROTH UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 1949 | ROTH UNIT | Montague County, TX | Oil & Gas Property | Feb 2026 |
| 1950 | ROTHERMEL | Limestone County, TX | Oil & Gas Property | Feb 2026 |
| 1951 | ROTHFELDER | Eastland County, TX | Oil & Gas Property | Apr 2024 |
| 1952 | ROTHSCHILD STATE 56-2-25 UNIT | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 1953 | ROTTEN RALPH | Crane County, TX | Oil & Gas Property | Jul 2024 |
| 1954 | ROTTERSMAN | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 1955 | ROUDON | Goliad County, TX | Oil & Gas Property | Jan 2026 |
| 1956 | ROUGAROU UNIT 36-48 | Borden County, TX | Oil & Gas Property | Feb 2026 |
| 1957 | ROUGH CREEK RANCH | Coleman County, TX | Oil & Gas Property | May 2023 |
| 1958 | ROUGH RIDER UNIT | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 1959 | ROUGHHOLLOW | Shackelford County, TX | Oil Property | Feb 2026 |
| 1960 | ROULETTE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 1961 | ROULETTE | Carson County, TX | Oil & Gas Property | Feb 2026 |
| 1962 | ROUND BUNCH 1 | Orange County, TX | Oil & Gas Property | Feb 2026 |
| 1963 | ROUND TOP/PALO PINTO | Fisher County, TX | Oil & Gas Property | Feb 2026 |
| 1964 | ROUNTREE | Milam County, TX | Oil & Gas Property | Sep 2024 |
| 1965 | ROUSE NANNIE T | Wilson County, TX | Oil & Gas Property | Jun 2025 |
| 1966 | ROUSSELOT | Schleicher County, TX | Oil & Gas Property | Feb 2026 |
| 1967 | ROUSSELOT DORIS M | Schleicher County, TX | Oil & Gas Property | Feb 2026 |
| 1968 | ROUSSELOT DORIS MA | Schleicher County, TX | Oil & Gas Property | Feb 2026 |
| 1969 | ROUTE 60 REAL ESTATE CO | Wharton County, TX | Oil & Gas Property | Jul 2012 |
| 1970 | ROWAN | Van Zandt County, TX | Oil & Gas Property | Jun 2025 |
| 1971 | ROWAN & HOPE | Nolan County, TX | Oil & Gas Property | Feb 2026 |
| 1972 | ROWAN & HOPE SOUTHWEST UNIT | Nolan County, TX | Oil & Gas Property | Feb 2026 |
| 1973 | ROWAN A. M. ETAL | Van Zandt County, TX | Oil & Gas Property | Feb 2026 |
| 1974 | ROWAN B UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 1975 | ROWAN ESTATE TRUST | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 1976 | ROWDY | Clay County, TX | Oil Property | Feb 2026 |
| 1977 | ROWDY THE COWBOY 42-30 | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 1978 | ROWDY YATES 596-585 | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 1979 | ROWE | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 1980 | ROWE HEIRS | Shelby County, TX | Gas Property | Feb 2026 |
| 1981 | ROWE UNIT | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1982 | ROWE, J.D | Coleman County, TX | Oil & Gas Property | Feb 2026 |
| 1983 | ROWE-BALDWIN | Liberty County, TX | Oil & Gas Property | Feb 2026 |
| 1984 | ROWLAND | Montague County, TX | Oil & Gas Property | Feb 2026 |
| 1985 | ROWLAND | Crockett County, TX | Oil & Gas Property | Feb 2026 |
| 1986 | ROWLAND NEAL | Wise County, TX | Oil & Gas Property | May 2025 |
| 1987 | ROXANA | Carson County, TX | Oil & Gas Property | Feb 2026 |
| 1988 | ROXANA-RICE | Shackelford County, TX | Oil & Gas Property | Feb 2013 |
| 1989 | ROXANNE FEE 46 | Culberson County, TX | Oil & Gas Property | Feb 2026 |
| 1990 | ROXIE | Lipscomb County, TX | Oil & Gas Property | Feb 2026 |
| 1991 | ROXIE | Reeves County, TX | Oil & Gas Property | Nov 2016 |
| 1992 | ROXIE STATE 6 | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 1993 | ROXY B UNIT | Montague County, TX | Oil & Gas Property | Jan 2026 |
| 1994 | ROXY UNIT | Montague County, TX | Oil & Gas Property | Feb 2026 |
| 1995 | ROY 1 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 1996 | ROY BEAN 42 | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 1997 | ROY C. COFFEE GAS UNIT | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 1998 | ROY ESSE | Live Oak County, TX | Oil & Gas Property | Feb 2026 |
| 1999 | ROY FLOWERS | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 2000 | ROY GLASS -A | Sterling County, TX | Oil Property | Dec 2025 |